IDENTIFIERS

  • Current Taxon Name (Soil Name): Evanston
  • OSD
  • Series Extent
  • User Site ID: S1988MT051015
  • User Pedon ID: 88MT051015
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 88P0775
  • NCSS Pedon Lab Data NASIS Record ID - 60893
  • Print Date: 9/23/2024

    • LOCATION

  • Location In Web Soil Survey
  • AOI is roughly a square mile and pedon is marked in the center.
  • Location in SoilWeb
  • Location in Google Maps
  • Std. Latitude: 48.4851913
  • Std. Longitude: -110.8933716
  • Datum: WGS84
  • Township: 32N
  • Range: 6E
  • Section: 36
  • PLSS Details: 3500 feet E and 1800 feet N of the SW corner
  • Location Description: T322N recorded on description changed to T32N
  • State: Montana
  • County: MT051—Liberty

    • PEDON

  • Current Taxonomic Class: Fine-loamy, mixed, superactive Aridic Argiborolls
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 15
  • Correlated Information:
  • Soil Name - Evanston
  • Classificaton Date - 7/11/2007
  • Moisture Class - aridic (torric)
  • Sampled As Information:
  • Soil Name - Archin
  • Taxonomic Class - Fine-loamy, mixed Borollic Natrargid
  • Taxon Kind - variant
  • Classificaton Date - 7/1/1988
  • Moisture Class - aridic (torric)
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/1/1988 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Setting and Climate
    Slope Slope Length USLE Upslope Length Elev. Corr. Elev Aspect MAP REAP FFD MAAT MSAT MWAT MAST MSST MWST MFFP PE Index Climate Station ID Climate Station Name Climate Station Type
    % m degrees mm mm C mm

    4

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    1001

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    A—0 to 8 centimeters (0.0 to 3.1 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; loam; weak very fine granular structure; slightly hard, nonsticky, nonplastic; fragments; slight effervescence; slightly alkaline, pH 7.6, hellige-truog; abrupt smooth boundary. Lab sample # 88P04074
    Bt—8 to 30 centimeters (3.1 to 11.8 inches); dark yellowish brown (10YR 4/4), yellowish brown (10YR 5/4), dry; clay loam; strong coarse prismatic structure; hard, slightly sticky, slightly plastic; 37 percent faint clay films on faces of peds; fragments; slight effervescence; slightly alkaline, pH 7.6, hellige-truog; clear smooth boundary. Lab sample # 88P04075. common clay films surface features on faces of peds
    Btk—30 to 38 centimeters (11.8 to 15.0 inches); olive brown (2.5Y 4/4), light yellowish brown (2.5Y 6/4), dry; clay loam; moderate coarse prismatic structure; hard, slightly sticky, slightly plastic; 37 percent faint clay films on faces of peds; fragments; strong effervescence; strongly alkaline, pH 8.6, hellige-truog; clear wavy boundary. Lab sample # 88P04076. common clay films surface features on faces of peds
    Bk—38 to 48 centimeters (15.0 to 18.9 inches); dark grayish brown (2.5Y 4/2), light brownish gray (2.5Y 6/2), dry; clay loam; moderate coarse platy structure; hard, slightly sticky, slightly plastic; fragments; strong effervescence; strongly alkaline, pH 8.8, hellige-truog; clear wavy boundary. Lab sample # 88P04077
    Cy—48 to 127 centimeters (18.9 to 50.0 inches); dark grayish brown (2.5Y 4/2), light brownish gray (2.5Y 6/2), dry; clay loam; hard, slightly sticky, slightly plastic; fragments; strong effervescence; strongly alkaline, pH 8.6, hellige-truog.